Foxtrot Mike Products Complete 9mm AR-15 Upper 16" - 15" M-LOK Rail - Muzzle Brake

Armalite M-15 PDW 9mm 16" 33rd Rifle, Black - M15PDW9-16

Tacfire 16" Complete Upper Assembly 9mm 1:10, Black - BU-9MM-16

Foxtrot Mike Products FM9 Rear Charging Rifle 9mm 16 Barrel

Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Length 16 Barrel

Aero Precision M4E1 5.56mm M4 Carbine 16 Barrel Complete Upper Receiver

FOXTROT MIKE PRODUCTS FM15

FOXTROT MIKE 102 223 WYLDE G2 RFL 16" INTRMDITE GAS, ZHUKOV STOCK, MOE GRIP, 1-30RD